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Longevity vs Lifetime - What's the difference?

longevity | lifetime |

As nouns the difference between longevity and lifetime

is that longevity is the quality of being long-lasting, especially of life while lifetime is the duration of the life of someone or something.

longevity

English

Noun

(longevities)
  • The quality of being long-lasting, especially of life
    • Grandfather had incredible longevity — he lived to be 105 years old!

    Related terms

    * longevous

    Synonyms

    * permanence

    lifetime

    English

    Noun

  • The duration of the life of someone or something.
  • (informal, hyperbole) A long period of time.
    • I've been waiting a lifetime for a train.

    Synonyms

    * ages, donkey's years (UK slang''), an eternity, years, yonks (''UK slang )

    Derived terms

    * chemical lifetime * a legend in one's own lifetime * all in a lifetime, all in one's lifetime * customer lifetime value * fluorescence lifetime imaging * lifetime achievement award * lifetime average daily dose * lifetime cap * lifetime employment * lifetime exposure * lifetime income tax * lifetime job * lifetime learning credit * lifetime maximum benefit amount * lifetime mobility * lifetime mortgage * lifetime payment cap * lifetime policy * lifetime rate cap * lifetime reserve days * lifetime reverse mortgage * life-timer * lifetime risk * lifetime value * minority carrier lifetime * maximum segment lifetime * mean lifetime * object lifetime * of a lifetime * once-in-a-lifetime